NUX Accessories universal phone holder with 3.5mm TRS to TRRS adaptor id: 46088 sku: B-3MA brandname: NUX series: Accessories Details Videos universal phone holder with 3.5mm TRS to TRRS adaptor B-3MA enables your B3 wireless system to be used with any mobile phone. The B-3MA simply allows you to use your B3 wireless system for video blogging or live streaming via mobile phones. NUX - manuals, firmware updates, and downloads